Bellator 297: Nemkov vs. Romero: Bellator 297: Nemkov vs. Romero was a mixed martial arts event produced by Bellator MMA that took place on June 16, 2023, at the Wintrust Arena in Chicago, Illinois, United States. A Bellator Light Heavyweight Championship bout between current champion Vadim Nemkov and Yoel Romero headlined the event. The co-main event, a Bellator Bantamweight Championship bout between current champion Sergio Pettis and the current Bellator Featherweight Champion Patrício Pitbull (also former Bellator Lightweight Champion) took place.